diff options
| author | Borislav Petkov <bp@suse.de> | 2020-12-01 18:01:27 +0100 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-12-01 18:01:27 +0100 |
| commit | 87314fb181f9042a226d721ab4a5579ddfca139c (patch) | |
| tree | b663e58cfe19ecf5003d4ea6e8048f6ae1925e9f /drivers/thermal | |
| parent | 2002d2951398317d0f46e64ae6d8dd58ed541c6d (diff) | |
| parent | b65054597872ce3aefbc6a666385eabdf9e288da (diff) | |
| download | linux-87314fb181f9042a226d721ab4a5579ddfca139c.tar.bz2 | |
Merge tag 'v5.10-rc6' into x86/cache
Merge -rc6 tag to pick up dependent changes.
Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/ti-soc-thermal/ti-bandgap.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.c b/drivers/thermal/ti-soc-thermal/ti-bandgap.c index 5e596168ba73..dcac99f327b0 100644 --- a/drivers/thermal/ti-soc-thermal/ti-bandgap.c +++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.c @@ -20,6 +20,7 @@ #include <linux/err.h> #include <linux/types.h> #include <linux/spinlock.h> +#include <linux/sys_soc.h> #include <linux/reboot.h> #include <linux/of_device.h> #include <linux/of_platform.h> @@ -864,6 +865,17 @@ static struct ti_bandgap *ti_bandgap_build(struct platform_device *pdev) return bgp; } +/* + * List of SoCs on which the CPU PM notifier can cause erros on the DTEMP + * readout. + * Enabled notifier on these machines results in erroneous, random values which + * could trigger unexpected thermal shutdown. + */ +static const struct soc_device_attribute soc_no_cpu_notifier[] = { + { .machine = "OMAP4430" }, + { /* sentinel */ }, +}; + /*** Device driver call backs ***/ static @@ -1020,7 +1032,8 @@ int ti_bandgap_probe(struct platform_device *pdev) #ifdef CONFIG_PM_SLEEP bgp->nb.notifier_call = bandgap_omap_cpu_notifier; - cpu_pm_register_notifier(&bgp->nb); + if (!soc_device_match(soc_no_cpu_notifier)) + cpu_pm_register_notifier(&bgp->nb); #endif return 0; @@ -1056,7 +1069,8 @@ int ti_bandgap_remove(struct platform_device *pdev) struct ti_bandgap *bgp = platform_get_drvdata(pdev); int i; - cpu_pm_unregister_notifier(&bgp->nb); + if (!soc_device_match(soc_no_cpu_notifier)) + cpu_pm_unregister_notifier(&bgp->nb); /* Remove sensor interfaces */ for (i = 0; i < bgp->conf->sensor_count; i++) { |